#375CD3#375CD3

#375CD3 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.188 H 266.6°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#375CD3
RGB	rgb(55, 92, 211)
HSL	hsl(226, 64%, 52%)
HSV	hsv(226, 74%, 83%)
CMYK	cmyk(73.9%, 56.4%, 0%, 17.3%)
CIE-LAB	lab(43.02, 28.20, -65.13)
CIE-LCH	lch(43.02, 70.97, 293.41°)
OKLab	oklab(51.92% -0.0112 -0.1878)
OKLCH	oklch(51.92% 0.188 266.6)
XYZ	xyz(17.1565, 13.1678, 63.2528)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CD3 #D3AE37

analogous

#37AAD3 #375CD3 #6037D3

triadic

#375CD3 #D3375C #5CD337

tetradic

#375CD3 #D337AA #D3AE37 #37D360

square

#375CD3 #D337AA #D3AE37 #37D360

split-complementary

#375CD3 #D36037 #AAD337

monochromatic

#1A3076 #2544A8 #375CD3 #6985DE #9BAEE9

Accessibility & contrast

On white

5.78

#375CD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#375CD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CD3

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CD3	#FFFFFF	#000000	##FFFFFF
##375CD3	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD7

Deuteranopia (green-blind)

#005FD1

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #375cd3;
/* rgb */ color: rgb(55, 92, 211);
/* oklch */ color: oklch(51.9% 0.188 266.6);

Tailwind

colors: {
  custom: {
    50: '#8389e1',
    500: '#375cd3',
    950: '#000000',
  },
}

SCSS

$custom: #375cd3;
$custom-light: #8389e1;
$custom-dark: #000000;

JSON

{
  "hex": "#375cd3",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 211
  },
  "hsl": {
    "h": 225.769,
    "s": 63.934,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51922,
    "c": 0.18818,
    "h": 266.6
  },
  "luminance": 0.1317
}

Semantic roles & 50–950 ramp

primary

#375CD3

secondary

#D5C591

accent

#C041E7

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375CD3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →